Technology Advancements

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Across
  1. 2. August 1929
  2. 8. September 1st
  3. 9. July 28
  4. 10. Country that was involded in many war
  5. 11. type of petrol chemical
  6. 12. old ammunition
Down
  1. 1. used by the German army Weapon
  2. 3. type of shock wave in 1917
  3. 4. July 1st
  4. 5. type of ammunition
  5. 6. Hand cleaners used in hospital
  6. 7. coin board game